In a letter on the Icelandic singer's Facebook page she wrote that she penned six songs by herself, one with Spaces and co-wrote two with Arca (Alejandro Ghersi) — a producer on Kanye West's Yeezus and FKA Twigs' LP1.

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The It's Oh So Quiet singer said that she hopes the new songs will help others who have gone through a break-up.

She wrote: "Hopefully the songs could be a help, a crutch to others and prove how biological this process is: the wound and the healing of the wound. Psychologically and physically. It has a stubborn clock attached to it."

Vulnicura marks the first album since the 2011 release of Biophilia which featured an interactive app.